S
M
T
W
T
F
S
28
72°
45°
29
73°
51°
30
75°
51°
1
76°
52°
2
75°
53°
3
71°
52°
4
75°
53°
5
76°
54°
6
77°
53°
7
77°
51°
8
76°
51°
9
69°
52°
10
71°
50°
11
69°
46°
12
69°
46°
13
71°
50°
14
76°
53°
15
77°
52°
16
77°
46°
17
69°
51°
18
70°
54°
19
77°
53°
20
78°
54°
21
77°
53°
22
78°
53°
23
76°
52°
24
78°
53°
25
73°
50°
26
Hist. Avg.
73°
49°
27
Hist. Avg.
73°
49°
28
Hist. Avg.
73°
49°
29
Hist. Avg.
73°
49°
30
Hist. Avg.
73°
49°
31
Hist. Avg.
73°
49°
1
Hist. Avg.
73°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Devon
Devon's July 2026 forecast shows daily high temperatures ranging from 69° to 78°, with overnight lows between 45° and 54°. The average high for July is 74° with an average low of 51°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Devon. See also: August | September | October.
